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Electromagnetic Field Theory

Electromagnetic Field Theory
Poyniting vector has the dimensions

 Watt × metre.
 Watts/metre2.
 Watt/metre.
 Watt × metre2.

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Electromagnetic Field Theory
The static electric field in a conductor is

Infinity
Zero
None of these
Unity

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Electromagnetic Field Theory
Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is

 0.01.
 0.577.
 0.477.
 0.447.

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Electromagnetic Field Theory
A Yagi antenna has a driven antenna

With a reflector and one or more directors
With one or more directors
With a reflector
Only

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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to

 A quardra pole.
 Both of A and B.
 A monopole.
 A dipole.

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Electromagnetic Field Theory
Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor

 Constitutive parameters.
 Reflector coefficient.
  Loss tangent.
 Attenuation constant.

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MORE MCQ ON Electromagnetic Field Theory

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